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3 years ago

HELP! Can an object that is in motion have balanced forces? Explain your answer

Physics

1 answer:

Elan Coil [88]3 years ago

6 0

Answer:

Yes.

Explanation:

Newton's first law says that an object in motion stays in motion and an object at rest stays at rest until acted upon by an unbalanced force.

If an object in motion has balanced forces, it will stay in motion. For example, if an object is falling at terminal velocity (for example, a parachuter), then the force of gravity is equal and opposite to the force of air resistance. The forces are balanced, and the object continues to fall at a constant speed.

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A driver brings a car to a full stop in 2.0 s. If the car was initially

vagabundo [1.1K]

Answer:

$\boxed {\boxed {\sf D. \ -11 \ m/s^2}}$

Explanation:

Acceleration can be found by dividing the change in velocity by the time.

$a=\frac{v_f-v_i}{t}$

where Vf is the final velocity, Vi is the initial velocity, and t is the time.

Since the car came to a complete stop, it's final velocity was 0 meters per second.

The initial velocity was 22 meters per second.

The time was 2.0 seconds.

$v_f=0 \ m/s\\v_i=22 \ m/s\\t= 2.0 \ s$

Substitute the values into the formula.

$a=\frac{0 \ m/s-22 \ m/s}{ 2.0 \s }$

Subtract in the numerator first.

0 m/s- 22 m/s = -22 m/s

$a=\frac{-22 \ m/s}{2.0 \ s}$

Divide.

$a= -11 \ m/s^2$

The acceleration of the car was -11 meters per square second. The negative acceleration indicates slowing down/stopping.

8 0

3 years ago

How could a homework machine help students all around the world?

slamgirl [31]

Answer:

Hello There!!

Explanation:

The machine can help you alot and do all your homework while you rest and let the homework machine do it and get good grades because of it with no worries but if the machine does it then you won't learn how to do them.

hope this helps,have a great day!!

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3 years ago

The hottest stars are _____. -Blue -Orange -White -Red

AnnyKZ [126]

Answer:

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Explanation:

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4 years ago

Read 2 more answers

Two objects moving with the same speed may not have the same velocity. Why?

Nutka1998 [239]

Objects have the same velocity only if they are moving at the same speed and in the same direction. Objects moving at different speeds, in different directions, or both have different velocities.

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1 year ago

PLEASE HELP ME QUICK

babunello [35]

Answer:

i think its 1.5 m/s to the right?

Explanation:

5 0

3 years ago